Johannes
On 15 Nov, 2005, at 8:17 pm, Johannes Textor wrote:
William Moore schrieb:
Is it possible to use the Cocoon database connection pool inside an
application based on Cocoon, Spring and Hibernate?
I have looked at CHS (http://www.cocoondev.org/main/117/43.html) and
CocoonAndHibernateTutorial
(http://wiki.apache.org/cocoon/CocoonAndHibernateTutorial), but the
former does not use the Cocoon connection pool and the latter does not
use Spring.
In my attempts I have found that Spring seems to create the DataSource
and SessionFactory objects defined in it's applicationContext.xml file
very early in the start-up process and outside the Cocoon framework.
This means the classes cannot operate as Cocoon Components and
consequently they cannot access the Cocoon connection pools.
Is this correct or am I missing something obvious? I'm fairly new to
programming at this level.
This is aboslutely correct. When using Spring, you should not use the
Cocoon connection pool since that would mean a dependancy on the view
layer (Cocoon in that case) for data persistency. The tutorial is meant
to get you started quickly and with no requirements besides cocoon and
hibernate, so it uses the Cocoon connection pool, but that is not the
end of the story.
OK, I interpret that as meaning I should use
org.apache.commons.dbcp.BasicDataSource to build a DataSource either by
defining it inside Spring's applicationContext.xml file or by defining
it inside Tomcat. Is that correct? If it is, I'll probably use the
former as it does not tie me to Tomcat.
Thanks
William
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